MDL140 Circuit Breaker by Eaton, Cutler Hammer or Westinghouse EATON MDL140 MINITURE CIRCUIT BREAKER 40 AMP CAT# MDL140 New Surplus Inventory Code: Z+ Make an Offer Send to a Friend Poles: 1 Trip Amperage: 40 A Mount: Bolt-in Closing Mech.: Manual WHSE Code: CB29A2 Return To Circuit Breakers